Home / 107,815,988.37-161,740,703.54-45,567,564.74

Finding the Fourth Proportional to 107,815,988.37, 161,740,703.54 and 45,567,564.74

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Solution

The fourth proportional to 107,815,988.37, 161,740,703.54 and 45,567,564.74 is: 68,358,414.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,815,988.37 : 161,740,703.54 = 45,567,564.74 : x
  2. Step 2: Convert to fraction form
    107,815,988.37/161,740,703.54 = 45,567,564.74/x
  3. Step 3: Cross multiply
    107,815,988.37x = 161,740,703.54 × 45,567,564.74
  4. Step 4: Simplify right side
    107,815,988.37x = 7,370,129,979,652,097
  5. Step 5: Solve for x
    x = 7,370,129,979,652,097/107,815,988.37
  6. Step 6: Final answer
    x = 68,358,414.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.